Protector for mixing-machines.



W. M. LINDSAY. PROTECTOR FOR MIXING MACHINES. APPLIOATION FILED JULY 30,1914.

Ru 1 9 1 6 1 b B F d e t n w a P Ilnventor Witnesses TILT M.IAUSII'IIDSAY;

rnorno'ron ron w:

Specification of Letters Patent.

NSM.

ING MACHINES. 1

Patented lFebd T6, T915.

provlsion of a protector of unique construction; which -is applicable.to .a drink mi-xing machine in I a simple and Q elfective manner,- forprotecting r:or"envelopin| .2 the. agitator and agitator stetn,= whenthe-machine is at: normal or 'idlewcondlition;

It is also the object :of this inventiomlto provide a device of the?nature indicated, which will be automatic in itsfnatureg-whera hy thGPI'Oi'iBGtOI" proper will; be: automatically applied to and removed fromtheagi tator and agitator stem when the tumbler. or other vessel isremoved fronnrandapplied to the machine; respeotivelyr- V It is: also-withinsth'e scope of the present invention to provide a protectingdevice for mixing 'machines. Whichwill be comparativel-y simple; light;non-encumbering and 1 inexpensive in construction; which may :be readilyapplied to a mixing :machine to! be operated automatically by the-iapplication-1 and removal of atumhiler or other-vessel=,-1. and whichwill be-simple, convenient, x-prac ticalaand eificientinits use.

With :the foregoing :and other objectsain view which will appear as: thedescription proceeds the invention resides in the combination andarrangementof parts: and :in thedetails of constructionhereinafterdescribed i and. claimed, it: being understood that changesin'the precise embodimentdoffthe invention herein disclosed can be made;with r:

parting :TI'OIH' :tliespirit of the\ invention.

The invention has been illustratedinits:

preferred embodiment in the accompanying;

drawing, wherein Figure 1 is a .sideielevationwofithe device as appliedto: a .mivring..,machine, the-.partsi beinglrln normal-eposition.Fig. .2 isa front view ot the device-tin opened position-.- forpermitting thamlxing machine to operate in the usual manner: Fig.3 is asectional View takenon theline 38 of Fig-a1.

The mixing emachinedepicted in the drawlng, which-may beataken asconventional-lor typical, embodies the base 1 havinga ahollowstandard 2,into which is telescoped-='a standardisectionriv carrying a motor-4 atlts upper-endand-to one side-thereof. Thdarmatureof the motor i is pro-.

vided with a depending stem; or-shank 5 car. rymg the-\padidlle oragitator 6 at:its lower or vrrrrsnune, KANSAS, nssrenon-or nun-nonerornnnx I cunrsnnv, or Prrrsnune,

or free'end, =and-. a tumbler or glass holder 7 is attached-to thelowerendaof thestandard or pedestalfl and is equipped with a pair 01?sprin-grjaws 8 belowthe'motor 4 for receiv-- mg a tumbler glass= orother vessel in- Which the is to be mirxedrl Mix-mg machineswot thecharacter indicated are common, aEd need-no-further de tailed:description, it being noted that the I member orsection 3 oftheistandard may be lowered'iand raised-to depress the agitator 6intoathe glass or-vessehand to extract or withdraw the agitatortherefirom' after the drink has been mixed;-

The present device, which -is in the form= of an attachment for \the:mixing machine, 7

embodies a pair oi U-clips 9 straddling orembracing thestandard orpedestal 2, and having their terminals connected byclamp-, ing;boltsrl0, to hold therclips in place; The

intermediate portions of the-clips 9 are provided with .joutturned lipsor flanges 11,

through .Which arejournaled -.a pair of rods: or rock shafts-l2 whichare provided at their lower ends with rforwardly projecting curvedtappets or fingers-13 disposed immediately .95 holder -7. Theupper-endsof the rods 01 shattsi12 are loent-angularly forward; asatabove tlieQjaWs-S 'ofi the-tumbler or glass 14, and carry the protectoror sheath 15.

The protector orsheath 15 of tubular g .or upwardly tapered form, and isdivided longitudinally into a palr of companion or complementingsections 16 having the outturned lips 17 along their edges, adapted toabut flatly when the sections 16 are swung together. The rear edges ofthe sections 16 of the protector or sheath are soldered or otherwisesecured to the upper angular ends 14 of the rods or shafts 12 wherebythe respective protector sections 16 will be carried by the rods orshafts 1 2. The lower end of one section 16 is provlded with a disk 18'adapted to fit into the lower end of the other section 16 when thesections are folded or swung together, to close the lower end of theprotector.

A pair of coiled wire springs 19 are mounted upon the rods or shafts 12below the upper lip 11, and are terminally engaged to the said lip androds or shafts 12, to yie1dably swing the rods or shafts 12 in such adirection as to normally tend to swing the sections 16 of the protectortogether;

In practice, the device may be readily attached to the mixing machine aswill be ob vious, and the parts of the device or attachment are soarranged, that ordinarily, when the standard section 3 is raised (themember 3 being usually raised by means of a spring) so as to raisethemotor 4 and the agitator 6 and its stem 5, the sections 16 will beswung together under the influence 0f the springs 19, to fit snuglytogether so as to surround the agitator 6 and its stem 5 to completelyenvelop and protect the same from dust, insects, and other foreignmatter. The upper end of the sections 16 embrace the upper portion ofthe agitator stem or spindle 5, to close the upper end of the protector15, while the end piece 18 carried by the lower end of one section 16closes the lower end of the protector. Now, when the machine is to bebrought into operation, the tumbler, glass or other vessel, 20 beingsnapped into or seated within the jaws 8, will strike the tappets orfingers 13, and will swing them apart and rearwardly, and as a result,the protector sections 16 will be swung apart and opened, as seen inFig. 2, to enable the motor 4 to be depressed therebetween withoutinterference. In this manner, when the tumbler or other vessel isapplied to the machine, the protector will be opened, and the motor maybe reciprocated vertically to depress the agitator 6 into the tumbler,or to raise the agitator out of the tumbler, when the tumbler is to beremoved. As soon. as the tumbler is removed, the tappets 15 will bereleased, and the agitator and agitator stem having been previouslyraised with the motor 4 and the standard member 3, will cause thesections 16 of the protector to swing together so as to surround theagitator and agitator stem while they are in idle or inoperativeposition.

The present device is therefore entirely automatic in its operation, andwill not inconvenience the use of the mixing machine in usual mode, buton the other hand, the present attachment will render the use of themixing machine more convenient, inasmuch as the agitator and agitatorstem will be protected against dust, insects, and other foreign matter,while the machine is in idle or normal position. This will eliminate thenecessity of the repeated cleaning of the agitator and its stem.

From the foregoing, taken in connection with the drawing, the otheradvantages and capabilities of the present invention will be obvious tothose skilled in the art, without further comment being deemednecessary. 7

Having thus described the invention, what is claimed as new is 1. Thecombination with a mixing machine including an agitator, of a protectorfor the agitator including separable sections carried by the machine andadapted to be swung to and from each other.

2. The combination with a mixing machine including an agitator, of aprotector for the agitator including separable sections, and means formoving the sections to and from each other.

3. The combination with a mixing machine including an agitator, of aprotector for the agitator including separable sections, and springpressed means for normally holding the sections together to inclose theagitator and including a tappet adapted to be moved for separating thesections.

4. The combination with a mixing machine including an agitator, of aprotector including separable sections, and oscillatory members carriedby the machine and carrying the said sections.

5. The combination with a mixing machine including an agitator, of aprotector including separable sections, and spring pressed oscillatorymembers carried by the machine and carrying the said sections, saidoscillatory members having means for actuating them to separate the saidsections.

6. The combination with a mixing machine including an agitator, of aprotector including separable sections, and spring pressed oscillatorymembers carried by the machine and carrying the said sections, the saidoscillatory members having tappets adapted to be actuated by a mixingvessel to separate the said sections.

7. The combination with a mixing machine, including an agitator, of apair of rock shafts carried by the machine having tappets to be engagedby a mixing vessel,

cence pressed. to normally bola the sections to- In testimony that Iclaim the foregoing gether. as my own, I have hereto afixed. my signa-8. The combination with a mixing mature in the presence of twowitnesses. chine, including an agitator, of a protector WILLIAM M.LINDSAY. 5 for the agitator including separable sections Witnesses:-

carried-by the machine and adapted to en- E. A. STRYKER, circle theagitator. BERT WHEELER.

